import type { VariantProps } from 'class-variance-authority';
import { Slot } from '@radix-ui/react-slot';
import { cva } from 'class-variance-authority';
import * as React from 'react';

import { cn } from '@/lib/utils';

const buttonVariants = cva(
  'inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium transition-colors focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:size-4 [&_svg]:shrink-0',
  {
    variants: {
      variant: {
        default:
          'bg-primary text-primary-foreground shadow hover:bg-primary/90',
        destructive:
          'bg-destructive text-destructive-foreground shadow-sm hover:bg-destructive/90',
        outline:
          'border border-input bg-background shadow-sm hover:bg-accent hover:text-accent-foreground',
        secondary:
          'bg-secondary text-secondary-foreground shadow-sm hover:bg-secondary/80',
        ghost: 'hover:bg-accent hover:text-accent-foreground',
        link: 'text-primary underline-offset-4 hover:underline',
        futuristic:
          'bg-gradient-to-r from-foreground to-foreground/80 text-background shadow-lg hover:shadow-xl transition-all duration-300 hover:scale-105',
      },
      size: {
        default: 'h-9 px-4 py-2',
        sm: 'h-8 rounded-md px-3 text-xs',
        lg: 'h-10 rounded-md px-8',
        xl: 'h-12 rounded-md px-10 text-base',
        icon: 'h-9 w-9',
      },
    },
    defaultVariants: {
      variant: 'default',
      size: 'default',
    },
  },
);

export type ButtonProps = {
  asChild?: boolean;
} & React.ButtonHTMLAttributes<HTMLButtonElement> & VariantProps<typeof buttonVariants>;

const Button = ({ ref, className, variant, size, asChild = false, ...props }: ButtonProps & { ref?: React.RefObject<HTMLButtonElement | null> }) => {
  const Comp = asChild ? Slot : 'button';
  return (
    <Comp
      className={cn(buttonVariants({ variant, size, className }))}
      ref={ref}
      {...props}
    />
  );
};
Button.displayName = 'Button';

export { Button, buttonVariants };